A running shirt designed specifically for the hazards of the trail. Light ultra-durable stretchy quick-drying and features a front zip for quick ventilation. No trail is too tough. Lightweight stretchy knit fabric with UPF 40 protection on front body for all-day comfort on the trails;Perforated stretch-woven fabric on back & sides for added durability & breathability;Material wicks sweat & dries really fast;Overlapped vent at underarms perforated side panels & ½ zip front for greater airflow;Interior bungee loop on collar for easy hang up;Raglan sleeves